4. Electrical audio signal processing systems and devices
  5. Monitoring/measuring of audio devices
  6. Loudspeaker operation

Norimasa Yamada

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Electrode material and capacitor

Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor
Reexamination Certificate

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Speech synthesizer

Electrical audio signal processing systems and devices – Monitoring/measuring of audio devices – Loudspeaker operation
Patent

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Vane in the inlet passage of an internal combustion engine

Internal-combustion engines – Valve – Valve head cooperates with manifold
Patent

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Vane in the inlet passage of an internal combustion engine

Internal-combustion engines – Valve – Valve head cooperates with manifold
Patent

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Voltage measurement device

Electricity: measuring and testing – Electrolyte properties – Using a battery testing device
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1537401

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